./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 05:31:38,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 05:31:38,698 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 05:31:38,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 05:31:38,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 05:31:38,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 05:31:38,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 05:31:38,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 05:31:38,727 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 05:31:38,727 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 05:31:38,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 05:31:38,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 05:31:38,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 05:31:38,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 05:31:38,729 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 05:31:38,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 05:31:38,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 05:31:38,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 05:31:38,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 05:31:38,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 05:31:38,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 05:31:38,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 05:31:38,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 05:31:38,729 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 05:31:38,730 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 05:31:38,730 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 05:31:38,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 05:31:38,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 05:31:38,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 05:31:38,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:31:38,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 05:31:38,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 05:31:38,731 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 05:31:38,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 05:31:38,731 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 05:31:38,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 05:31:38,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 05:31:38,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 05:31:38,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 05:31:38,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 05:31:38,731 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2025-03-04 05:31:38,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 05:31:38,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 05:31:38,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 05:31:38,963 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 05:31:38,963 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 05:31:38,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2025-03-04 05:31:40,087 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d99cc0882/662b4170db7a4bb1a06536cbaecba7cf/FLAG79fd72488 [2025-03-04 05:31:40,650 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 05:31:40,651 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2025-03-04 05:31:40,696 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d99cc0882/662b4170db7a4bb1a06536cbaecba7cf/FLAG79fd72488 [2025-03-04 05:31:41,149 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d99cc0882/662b4170db7a4bb1a06536cbaecba7cf [2025-03-04 05:31:41,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 05:31:41,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 05:31:41,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 05:31:41,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 05:31:41,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 05:31:41,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:31:41" (1/1) ... [2025-03-04 05:31:41,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f80d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:41, skipping insertion in model container [2025-03-04 05:31:41,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:31:41" (1/1) ... [2025-03-04 05:31:41,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 05:31:43,766 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2025-03-04 05:31:43,769 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2025-03-04 05:31:43,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:31:43,818 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 05:31:43,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6109] [2025-03-04 05:31:43,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6116] [2025-03-04 05:31:43,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6123] [2025-03-04 05:31:43,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6227-6228] [2025-03-04 05:31:43,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6233-6235] [2025-03-04 05:31:43,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [6260-6261] [2025-03-04 05:31:43,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [6266-6268] [2025-03-04 05:31:43,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [6292-6293] [2025-03-04 05:31:43,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6298-6300] [2025-03-04 05:31:43,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [6335] [2025-03-04 05:31:43,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/mm.h"), "i" (488), "i" (12UL)); [6535-6536] [2025-03-04 05:31:43,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6919-6920] [2025-03-04 05:31:43,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6926] [2025-03-04 05:31:43,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (317), "i" (12UL)); [7618-7619] [2025-03-04 05:31:43,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (321), "i" (12UL)); [7632-7633] [2025-03-04 05:31:43,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7656] [2025-03-04 05:31:43,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7661] [2025-03-04 05:31:43,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7663] [2025-03-04 05:31:43,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (374), "i" (12UL)); [7737-7738] [2025-03-04 05:31:43,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7745] [2025-03-04 05:31:43,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (393), "i" (12UL)); [7764-7765] [2025-03-04 05:31:43,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7787] [2025-03-04 05:31:43,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (451), "i" (12UL)); [7868-7869] [2025-03-04 05:31:43,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (473), "i" (12UL)); [7909-7910] [2025-03-04 05:31:43,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (482), "i" (12UL)); [7924-7925] [2025-03-04 05:31:43,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (496), "i" (12UL)); [7950-7951] [2025-03-04 05:31:43,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (514), "i" (12UL)); [7977-7978] [2025-03-04 05:31:43,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("add %%gs:%P1, %0": "=r" (tcp_ptr__): "m" (this_cpu_off), "0" (np->stats)); [8093] [2025-03-04 05:31:43,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (599), "i" (12UL)); [8207-8208] [2025-03-04 05:31:43,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8259] [2025-03-04 05:31:43,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8261] [2025-03-04 05:31:43,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (678), "i" (12UL)); [8324-8325] [2025-03-04 05:31:43,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (775), "i" (12UL)); [8507-8508] [2025-03-04 05:31:43,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (855), "i" (12UL)); [8657-8658] [2025-03-04 05:31:43,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (858), "i" (12UL)); [8674-8675] [2025-03-04 05:31:43,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("add %%gs:%P1, %0": "=r" (tcp_ptr__): "m" (this_cpu_off), "0" (np->stats)); [8752] [2025-03-04 05:31:43,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8840] [2025-03-04 05:31:43,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8955] [2025-03-04 05:31:43,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9027] [2025-03-04 05:31:43,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9397] [2025-03-04 05:31:44,064 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2025-03-04 05:31:44,064 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2025-03-04 05:31:44,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:31:44,247 INFO L204 MainTranslator]: Completed translation [2025-03-04 05:31:44,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44 WrapperNode [2025-03-04 05:31:44,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 05:31:44,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 05:31:44,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 05:31:44,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 05:31:44,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44" (1/1) ... [2025-03-04 05:31:44,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44" (1/1) ... [2025-03-04 05:31:44,465 INFO L138 Inliner]: procedures = 561, calls = 2453, calls flagged for inlining = 267, calls inlined = 188, statements flattened = 4710 [2025-03-04 05:31:44,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 05:31:44,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 05:31:44,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 05:31:44,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 05:31:44,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44" (1/1) ... [2025-03-04 05:31:44,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44" (1/1) ... [2025-03-04 05:31:44,498 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44" (1/1) ... [2025-03-04 05:31:45,101 INFO L175 MemorySlicer]: Split 706 memory accesses to 28 slices as follows [2, 1, 2, 4, 4, 5, 473, 2, 21, 27, 12, 2, 4, 25, 44, 2, 28, 1, 6, 13, 3, 3, 3, 3, 3, 1, 0, 12]. 67 percent of accesses are in the largest equivalence class. The 147 initializations are split as follows [0, 1, 0, 4, 4, 0, 64, 0, 0, 27, 12, 2, 0, 0, 0, 0, 0, 0, 6, 0, 3, 3, 3, 3, 3, 0, 0, 12]. The 342 writes are split as follows [1, 0, 1, 0, 0, 0, 225, 1, 18, 0, 0, 0, 1, 24, 44, 1, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2025-03-04 05:31:45,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44" (1/1) ... [2025-03-04 05:31:45,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44" (1/1) ... [2025-03-04 05:31:45,179 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44" (1/1) ... [2025-03-04 05:31:45,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44" (1/1) ... [2025-03-04 05:31:45,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44" (1/1) ... [2025-03-04 05:31:45,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44" (1/1) ... [2025-03-04 05:31:45,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 05:31:45,261 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 05:31:45,261 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 05:31:45,261 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 05:31:45,262 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44" (1/1) ... [2025-03-04 05:31:45,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:31:45,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 05:31:45,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 05:31:45,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 05:31:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2025-03-04 05:31:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2025-03-04 05:31:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-04 05:31:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-04 05:31:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2025-03-04 05:31:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2025-03-04 05:31:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2025-03-04 05:31:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2025-03-04 05:31:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 05:31:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 05:31:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2025-03-04 05:31:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2025-03-04 05:31:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2025-03-04 05:31:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2025-03-04 05:31:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2025-03-04 05:31:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2025-03-04 05:31:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2025-03-04 05:31:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2025-03-04 05:31:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2025-03-04 05:31:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2025-03-04 05:31:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-03-04 05:31:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-03-04 05:31:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2025-03-04 05:31:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2025-03-04 05:31:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2025-03-04 05:31:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2025-03-04 05:31:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2025-03-04 05:31:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2025-03-04 05:31:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2025-03-04 05:31:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2025-03-04 05:31:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2025-03-04 05:31:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2025-03-04 05:31:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-04 05:31:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-04 05:31:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2025-03-04 05:31:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2025-03-04 05:31:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2025-03-04 05:31:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2025-03-04 05:31:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-04 05:31:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-04 05:31:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2025-03-04 05:31:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2025-03-04 05:31:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-04 05:31:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-04 05:31:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2025-03-04 05:31:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2025-03-04 05:31:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 05:31:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2025-03-04 05:31:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2025-03-04 05:31:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2025-03-04 05:31:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-04 05:31:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2025-03-04 05:31:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2025-03-04 05:31:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2025-03-04 05:31:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-04 05:31:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-04 05:31:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 05:31:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-04 05:31:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-04 05:31:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-04 05:31:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-03-04 05:31:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-03-04 05:31:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-03-04 05:31:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-03-04 05:31:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-03-04 05:31:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2025-03-04 05:31:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2025-03-04 05:31:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-03-04 05:31:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-03-04 05:31:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-03-04 05:31:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-03-04 05:31:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2025-03-04 05:31:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2025-03-04 05:31:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2025-03-04 05:31:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2025-03-04 05:31:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2025-03-04 05:31:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2025-03-04 05:31:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2025-03-04 05:31:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2025-03-04 05:31:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 05:31:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-04 05:31:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-04 05:31:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 05:31:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-04 05:31:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-04 05:31:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 05:31:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 05:31:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 05:31:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2025-03-04 05:31:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2025-03-04 05:31:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2025-03-04 05:31:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-03-04 05:31:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-04 05:31:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-03-04 05:31:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-03-04 05:31:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-03-04 05:31:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2025-03-04 05:31:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2025-03-04 05:31:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 05:31:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2025-03-04 05:31:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-04 05:31:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2025-03-04 05:31:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2025-03-04 05:31:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-04 05:31:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2025-03-04 05:31:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2025-03-04 05:31:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2025-03-04 05:31:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 05:31:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-04 05:31:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-04 05:31:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-03-04 05:31:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 05:31:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 05:31:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2025-03-04 05:31:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2025-03-04 05:31:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2025-03-04 05:31:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2025-03-04 05:31:45,909 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 05:31:45,912 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 05:31:45,984 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6329: havoc atomic_read_#t~mem43#1; [2025-03-04 05:31:45,984 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15620: havoc __get_page_tail_#t~nondet1238#1; [2025-03-04 05:31:45,987 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 05:31:46,030 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc skb_entry_is_link_#t~mem264#1.base, skb_entry_is_link_#t~mem264#1.offset; [2025-03-04 05:31:46,049 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6631: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset; [2025-03-04 05:31:46,086 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15940: havoc #t~nondet1283; [2025-03-04 05:31:46,099 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15918: havoc #t~nondet1278; [2025-03-04 05:31:46,104 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15677: havoc #t~nondet1243; [2025-03-04 05:31:46,107 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15929: havoc #t~nondet1281; [2025-03-04 05:31:46,122 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15903: havoc #t~nondet1274; [2025-03-04 05:31:46,127 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15747: havoc #t~nondet1256; [2025-03-04 05:31:46,177 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L13405: havoc #t~mem1119.base, #t~mem1119.offset;havoc #t~mem1120.base, #t~mem1120.offset; [2025-03-04 05:31:46,180 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15888: havoc #t~nondet1271; [2025-03-04 05:31:46,185 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15743: havoc #t~nondet1255; [2025-03-04 05:31:46,188 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15907: havoc #t~nondet1275; [2025-03-04 05:31:46,191 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7444: havoc #t~mem274;havoc #t~mem275; [2025-03-04 05:31:46,208 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc #t~mem99.base, #t~mem99.offset;havoc #t~mem100; [2025-03-04 05:31:46,246 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10388: call ULTIMATE.dealloc(~#endp~0.base, ~#endp~0.offset);havoc ~#endp~0.base, ~#endp~0.offset; [2025-03-04 05:31:46,256 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15844: havoc #t~nondet1266; [2025-03-04 05:31:46,259 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15681: havoc #t~nondet1244; [2025-03-04 05:31:46,270 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6459: havoc xen_feature_#t~mem65#1; [2025-03-04 05:31:46,270 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15735: havoc get_phys_to_machine_#t~nondet1253#1; [2025-03-04 05:31:46,401 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L13108-1: ldv_mod_timer_103_#res#1 := ldv_mod_timer_103_~ldv_func_res~0#1; [2025-03-04 05:31:46,402 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12374-1: ldv_mod_timer_#res#1 := ldv_mod_timer_~arg0#1; [2025-03-04 05:31:46,402 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15796: havoc mod_timer_#t~nondet1260#1; [2025-03-04 05:31:46,406 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6936: havoc #t~mem143.base, #t~mem143.offset; [2025-03-04 05:31:46,411 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15754: havoc #t~nondet1257; [2025-03-04 05:31:46,423 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15858: havoc #t~nondet1268; [2025-03-04 05:31:46,499 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15739: havoc #t~nondet1254; [2025-03-04 05:31:46,516 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15639: havoc #t~nondet1239; [2025-03-04 05:31:46,520 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6779: havoc #t~mem126.base, #t~mem126.offset; [2025-03-04 05:31:46,545 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6131: havoc #t~mem0;havoc #t~bitwise1; [2025-03-04 05:31:46,581 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15616: havoc #t~nondet1237; [2025-03-04 05:31:46,684 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6125: #res := 1; [2025-03-04 05:31:46,729 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15722: havoc find_next_bit_#t~nondet1252#1; [2025-03-04 05:31:46,771 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10477: call ULTIMATE.dealloc(~#endp~1.base, ~#endp~1.offset);havoc ~#endp~1.base, ~#endp~1.offset; [2025-03-04 05:31:46,777 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6615: havoc #t~mem102; [2025-03-04 05:31:52,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15696: havoc device_create_file_#t~nondet1247#1; [2025-03-04 05:31:52,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15899: havoc xenbus_frontend_closed_#t~nondet1273#1; [2025-03-04 05:31:52,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: #t~ret1285#1 := main_#res#1;havoc main_#t~ret1033#1, main_~tmp~80#1;assume { :end_inline_main } true; [2025-03-04 05:31:52,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L13194-1: ldv_alloc_etherdev_mqs_115_#res#1.base, ldv_alloc_etherdev_mqs_115_#res#1.offset := ldv_alloc_etherdev_mqs_115_~ldv_func_res~1#1.base, ldv_alloc_etherdev_mqs_115_~ldv_func_res~1#1.offset; [2025-03-04 05:31:52,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9634: call ULTIMATE.dealloc(xen_net_read_mac_~#e~0#1.base, xen_net_read_mac_~#e~0#1.offset);havoc xen_net_read_mac_~#e~0#1.base, xen_net_read_mac_~#e~0#1.offset;call ULTIMATE.dealloc(xen_net_read_mac_~#__constr_expr_0~1#1.base, xen_net_read_mac_~#__constr_expr_0~1#1.offset);havoc xen_net_read_mac_~#__constr_expr_0~1#1.base, xen_net_read_mac_~#__constr_expr_0~1#1.offset; [2025-03-04 05:31:52,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15910: havoc xenbus_read_#t~ret1276#1.base, xenbus_read_#t~ret1276#1.offset; [2025-03-04 05:31:52,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L13334-1: ldv_del_timer_sync_138_#res#1 := ldv_del_timer_sync_138_~ldv_func_res~3#1; [2025-03-04 05:31:52,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15649: havoc _dev_info_#t~nondet1241#1; [2025-03-04 05:31:52,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15914: havoc xenbus_register_frontend_#t~nondet1277#1; [2025-03-04 05:31:52,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15848: havoc register_netdev_#t~nondet1267#1; [2025-03-04 05:31:52,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11092-1: ldv_del_timer_sync_#res#1 := ldv_del_timer_sync_~arg0#1; [2025-03-04 05:31:52,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10631: call ULTIMATE.dealloc(xennet_remove_~#descriptor~2#1.base, xennet_remove_~#descriptor~2#1.offset);havoc xennet_remove_~#descriptor~2#1.base, xennet_remove_~#descriptor~2#1.offset; [2025-03-04 05:31:52,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12481-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12482-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15786: havoc ldv_pre_register_netdev_#t~nondet1259#1; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15588: havoc __alloc_percpu_#t~ret1236#1.base, __alloc_percpu_#t~ret1236#1.offset; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15921: havoc xenbus_strstate_#t~ret1279#1.base, xenbus_strstate_#t~ret1279#1.offset; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11035-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15925: havoc xenbus_switch_state_#t~nondet1280#1; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10178: call ULTIMATE.dealloc(netback_changed_~#descriptor~1#1.base, netback_changed_~#descriptor~1#1.offset);havoc netback_changed_~#descriptor~1#1.base, netback_changed_~#descriptor~1#1.offset; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9782: call ULTIMATE.dealloc(setup_netfront_~#feature_split_evtchn~0#1.base, setup_netfront_~#feature_split_evtchn~0#1.offset);havoc setup_netfront_~#feature_split_evtchn~0#1.base, setup_netfront_~#feature_split_evtchn~0#1.offset;call ULTIMATE.dealloc(setup_netfront_~#__constr_expr_0~2#1.base, setup_netfront_~#__constr_expr_0~2#1.offset);havoc setup_netfront_~#__constr_expr_0~2#1.base, setup_netfront_~#__constr_expr_0~2#1.offset; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11038-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L11040-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15933: havoc xenbus_transaction_start_#t~nondet1282#1; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L13026-1: ldv_xenbus_register_frontend_#res#1 := ldv_xenbus_register_frontend_~arg0#1; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L13359-1: ldv_xenbus_register_frontend_140_#res#1 := ldv_xenbus_register_frontend_140_~ldv_func_res~4#1; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15673: havoc alloc_etherdev_mqs_#t~ret1242#1.base, alloc_etherdev_mqs_#t~ret1242#1.offset; [2025-03-04 05:31:52,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L13229-1: ldv_register_netdev_118_#res#1 := ldv_register_netdev_118_~ldv_func_res~2#1; [2025-03-04 05:31:52,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9926: call ULTIMATE.dealloc(talk_to_netback_~#xbt~0#1.base, talk_to_netback_~#xbt~0#1.offset);havoc talk_to_netback_~#xbt~0#1.base, talk_to_netback_~#xbt~0#1.offset; [2025-03-04 05:31:52,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9338: call ULTIMATE.dealloc(xennet_create_dev_~#__key~1#1.base, xennet_create_dev_~#__key~1#1.offset);havoc xennet_create_dev_~#__key~1#1.base, xennet_create_dev_~#__key~1#1.offset;call ULTIMATE.dealloc(xennet_create_dev_~#__key___0~0#1.base, xennet_create_dev_~#__key___0~0#1.offset);havoc xennet_create_dev_~#__key___0~0#1.base, xennet_create_dev_~#__key___0~0#1.offset;call ULTIMATE.dealloc(xennet_create_dev_~#__key___1~0#1.base, xennet_create_dev_~#__key___1~0#1.offset);havoc xennet_create_dev_~#__key___1~0#1.base, xennet_create_dev_~#__key___1~0#1.offset; [2025-03-04 05:31:52,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9604: call ULTIMATE.dealloc(netfront_resume_~#descriptor~0#1.base, netfront_resume_~#descriptor~0#1.offset);havoc netfront_resume_~#descriptor~0#1.base, netfront_resume_~#descriptor~0#1.offset; [2025-03-04 05:31:52,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-04 05:31:52,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15884: havoc xen_has_pv_nic_devices_#t~nondet1270#1; [2025-03-04 05:31:52,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15688: havoc del_timer_sync_#t~nondet1245#1; [2025-03-04 05:31:52,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10076: call ULTIMATE.dealloc(xennet_connect_~#feature_rx_copy~0#1.base, xennet_connect_~#feature_rx_copy~0#1.offset);havoc xennet_connect_~#feature_rx_copy~0#1.base, xennet_connect_~#feature_rx_copy~0#1.offset;call ULTIMATE.dealloc(xennet_connect_~#__constr_expr_0~3#1.base, xennet_connect_~#__constr_expr_0~3#1.offset);havoc xennet_connect_~#__constr_expr_0~3#1.base, xennet_connect_~#__constr_expr_0~3#1.offset; [2025-03-04 05:31:52,854 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15895: havoc #t~nondet1272; [2025-03-04 05:31:53,788 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15837: havoc netpoll_trap_#t~nondet1265#1; [2025-03-04 05:31:53,788 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L15764: havoc gnttab_query_foreign_access_#t~nondet1258#1; [2025-03-04 05:31:54,552 INFO L? ?]: Removed 2015 outVars from TransFormulas that were not future-live. [2025-03-04 05:31:54,552 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 05:31:54,605 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 05:31:54,605 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-04 05:31:54,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:31:54 BoogieIcfgContainer [2025-03-04 05:31:54,606 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 05:31:54,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 05:31:54,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 05:31:54,613 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 05:31:54,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 05:31:41" (1/3) ... [2025-03-04 05:31:54,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256270a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:31:54, skipping insertion in model container [2025-03-04 05:31:54,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:31:44" (2/3) ... [2025-03-04 05:31:54,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256270a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:31:54, skipping insertion in model container [2025-03-04 05:31:54,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:31:54" (3/3) ... [2025-03-04 05:31:54,615 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2025-03-04 05:31:54,626 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 05:31:54,629 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i that has 139 procedures, 1831 locations, 1 initial locations, 33 loop locations, and 1 error locations. [2025-03-04 05:31:54,700 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 05:31:54,708 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f4c4468, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 05:31:54,708 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 05:31:54,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 1721 states, 1151 states have (on average 1.261511728931364) internal successors, (1452), 1173 states have internal predecessors, (1452), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (454), 449 states have call predecessors, (454), 454 states have call successors, (454) [2025-03-04 05:31:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2025-03-04 05:31:54,755 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:31:54,758 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:31:54,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:31:54,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:31:54,762 INFO L85 PathProgramCache]: Analyzing trace with hash -501290116, now seen corresponding path program 1 times [2025-03-04 05:31:54,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:31:54,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444510680] [2025-03-04 05:31:54,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:31:54,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:31:57,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 460 statements into 1 equivalence classes. [2025-03-04 05:31:58,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 460 of 460 statements. [2025-03-04 05:31:58,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:31:58,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:31:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3756 trivial. 0 not checked. [2025-03-04 05:31:58,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:31:58,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444510680] [2025-03-04 05:31:58,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444510680] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:31:58,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:31:58,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:31:58,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874885965] [2025-03-04 05:31:58,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:31:58,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:31:58,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:31:58,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:31:58,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:31:58,818 INFO L87 Difference]: Start difference. First operand has 1721 states, 1151 states have (on average 1.261511728931364) internal successors, (1452), 1173 states have internal predecessors, (1452), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (454), 449 states have call predecessors, (454), 454 states have call successors, (454) Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2025-03-04 05:32:03,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:32:03,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:32:03,847 INFO L93 Difference]: Finished difference Result 4982 states and 6885 transitions. [2025-03-04 05:32:03,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:32:03,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 460 [2025-03-04 05:32:03,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:32:03,879 INFO L225 Difference]: With dead ends: 4982 [2025-03-04 05:32:03,879 INFO L226 Difference]: Without dead ends: 3234 [2025-03-04 05:32:03,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:32:03,891 INFO L435 NwaCegarLoop]: 2368 mSDtfsCounter, 2180 mSDsluCounter, 2317 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2180 SdHoareTripleChecker+Valid, 4685 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2025-03-04 05:32:03,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2180 Valid, 4685 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2025-03-04 05:32:03,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3234 states. [2025-03-04 05:32:04,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3234 to 3230. [2025-03-04 05:32:04,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3230 states, 2197 states have (on average 1.2562585343650432) internal successors, (2760), 2241 states have internal predecessors, (2760), 816 states have call successors, (816), 216 states have call predecessors, (816), 216 states have return successors, (816), 804 states have call predecessors, (816), 816 states have call successors, (816) [2025-03-04 05:32:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 3230 states and 4392 transitions. [2025-03-04 05:32:04,102 INFO L78 Accepts]: Start accepts. Automaton has 3230 states and 4392 transitions. Word has length 460 [2025-03-04 05:32:04,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:32:04,103 INFO L471 AbstractCegarLoop]: Abstraction has 3230 states and 4392 transitions. [2025-03-04 05:32:04,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2025-03-04 05:32:04,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 4392 transitions. [2025-03-04 05:32:04,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2025-03-04 05:32:04,124 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:32:04,124 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:32:04,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 05:32:04,125 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:32:04,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:32:04,126 INFO L85 PathProgramCache]: Analyzing trace with hash 894567038, now seen corresponding path program 1 times [2025-03-04 05:32:04,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:32:04,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075707855] [2025-03-04 05:32:04,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:32:04,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:32:07,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 465 statements into 1 equivalence classes. [2025-03-04 05:32:07,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 465 of 465 statements. [2025-03-04 05:32:07,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:32:07,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:32:07,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3768 trivial. 0 not checked. [2025-03-04 05:32:07,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:32:07,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075707855] [2025-03-04 05:32:07,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075707855] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:32:07,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:32:07,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:32:07,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894605827] [2025-03-04 05:32:07,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:32:07,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:32:07,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:32:07,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:32:07,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:32:07,658 INFO L87 Difference]: Start difference. First operand 3230 states and 4392 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2025-03-04 05:32:11,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:32:12,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:32:12,752 INFO L93 Difference]: Finished difference Result 9473 states and 12855 transitions. [2025-03-04 05:32:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:32:12,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 465 [2025-03-04 05:32:12,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:32:12,786 INFO L225 Difference]: With dead ends: 9473 [2025-03-04 05:32:12,787 INFO L226 Difference]: Without dead ends: 6306 [2025-03-04 05:32:12,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:32:12,801 INFO L435 NwaCegarLoop]: 2327 mSDtfsCounter, 2109 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2109 SdHoareTripleChecker+Valid, 4568 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-03-04 05:32:12,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2109 Valid, 4568 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2025-03-04 05:32:12,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6306 states. [2025-03-04 05:32:12,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6306 to 6300. [2025-03-04 05:32:12,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6300 states, 4293 states have (on average 1.25553226182157) internal successors, (5390), 4383 states have internal predecessors, (5390), 1575 states have call successors, (1575), 431 states have call predecessors, (1575), 431 states have return successors, (1575), 1549 states have call predecessors, (1575), 1575 states have call successors, (1575) [2025-03-04 05:32:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6300 states to 6300 states and 8540 transitions. [2025-03-04 05:32:13,039 INFO L78 Accepts]: Start accepts. Automaton has 6300 states and 8540 transitions. Word has length 465 [2025-03-04 05:32:13,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:32:13,041 INFO L471 AbstractCegarLoop]: Abstraction has 6300 states and 8540 transitions. [2025-03-04 05:32:13,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2025-03-04 05:32:13,041 INFO L276 IsEmpty]: Start isEmpty. Operand 6300 states and 8540 transitions. [2025-03-04 05:32:13,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2025-03-04 05:32:13,058 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:32:13,058 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:32:13,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 05:32:13,059 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:32:13,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:32:13,062 INFO L85 PathProgramCache]: Analyzing trace with hash -193986036, now seen corresponding path program 1 times [2025-03-04 05:32:13,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:32:13,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623348966] [2025-03-04 05:32:13,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:32:13,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:32:15,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 466 statements into 1 equivalence classes. [2025-03-04 05:32:16,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 466 of 466 statements. [2025-03-04 05:32:16,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:32:16,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:32:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3768 trivial. 0 not checked. [2025-03-04 05:32:16,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:32:16,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623348966] [2025-03-04 05:32:16,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623348966] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:32:16,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:32:16,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:32:16,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109967363] [2025-03-04 05:32:16,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:32:16,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:32:16,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:32:16,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:32:16,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:32:16,485 INFO L87 Difference]: Start difference. First operand 6300 states and 8540 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2025-03-04 05:32:20,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:32:21,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:32:21,727 INFO L93 Difference]: Finished difference Result 18597 states and 25168 transitions. [2025-03-04 05:32:21,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:32:21,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 466 [2025-03-04 05:32:21,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:32:21,801 INFO L225 Difference]: With dead ends: 18597 [2025-03-04 05:32:21,802 INFO L226 Difference]: Without dead ends: 12360 [2025-03-04 05:32:21,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:32:21,835 INFO L435 NwaCegarLoop]: 2695 mSDtfsCounter, 2109 mSDsluCounter, 2242 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2109 SdHoareTripleChecker+Valid, 4937 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2025-03-04 05:32:21,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2109 Valid, 4937 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2025-03-04 05:32:21,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12360 states. [2025-03-04 05:32:22,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12360 to 12352. [2025-03-04 05:32:22,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12352 states, 8427 states have (on average 1.2534709861160556) internal successors, (10563), 8609 states have internal predecessors, (10563), 3065 states have call successors, (3065), 859 states have call predecessors, (3065), 859 states have return successors, (3065), 3011 states have call predecessors, (3065), 3065 states have call successors, (3065) [2025-03-04 05:32:22,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12352 states to 12352 states and 16693 transitions. [2025-03-04 05:32:22,276 INFO L78 Accepts]: Start accepts. Automaton has 12352 states and 16693 transitions. Word has length 466 [2025-03-04 05:32:22,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:32:22,278 INFO L471 AbstractCegarLoop]: Abstraction has 12352 states and 16693 transitions. [2025-03-04 05:32:22,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2025-03-04 05:32:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 12352 states and 16693 transitions. [2025-03-04 05:32:22,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2025-03-04 05:32:22,309 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:32:22,309 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:32:22,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 05:32:22,310 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:32:22,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:32:22,310 INFO L85 PathProgramCache]: Analyzing trace with hash -640804185, now seen corresponding path program 1 times [2025-03-04 05:32:22,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:32:22,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018119742] [2025-03-04 05:32:22,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:32:22,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:32:25,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 482 statements into 1 equivalence classes. [2025-03-04 05:32:25,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 482 of 482 statements. [2025-03-04 05:32:25,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:32:25,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:32:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3861 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3858 trivial. 0 not checked. [2025-03-04 05:32:25,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:32:25,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018119742] [2025-03-04 05:32:25,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018119742] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:32:25,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:32:25,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:32:25,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863174180] [2025-03-04 05:32:25,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:32:25,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:32:25,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:32:25,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:32:25,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:32:25,921 INFO L87 Difference]: Start difference. First operand 12352 states and 16693 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2025-03-04 05:32:29,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:32:31,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:32:31,070 INFO L93 Difference]: Finished difference Result 26160 states and 35261 transitions. [2025-03-04 05:32:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:32:31,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 482 [2025-03-04 05:32:31,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:32:31,146 INFO L225 Difference]: With dead ends: 26160 [2025-03-04 05:32:31,147 INFO L226 Difference]: Without dead ends: 13871 [2025-03-04 05:32:31,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:32:31,183 INFO L435 NwaCegarLoop]: 2493 mSDtfsCounter, 1913 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 4705 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-03-04 05:32:31,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1913 Valid, 4705 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2025-03-04 05:32:31,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13871 states. [2025-03-04 05:32:31,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13871 to 13869. [2025-03-04 05:32:31,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13869 states, 9462 states have (on average 1.2499471570492495) internal successors, (11827), 9665 states have internal predecessors, (11827), 3414 states have call successors, (3414), 992 states have call predecessors, (3414), 992 states have return successors, (3414), 3355 states have call predecessors, (3414), 3414 states have call successors, (3414) [2025-03-04 05:32:31,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13869 states to 13869 states and 18655 transitions. [2025-03-04 05:32:31,570 INFO L78 Accepts]: Start accepts. Automaton has 13869 states and 18655 transitions. Word has length 482 [2025-03-04 05:32:31,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:32:31,571 INFO L471 AbstractCegarLoop]: Abstraction has 13869 states and 18655 transitions. [2025-03-04 05:32:31,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2025-03-04 05:32:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 13869 states and 18655 transitions. [2025-03-04 05:32:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2025-03-04 05:32:31,600 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:32:31,601 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 29, 29, 29, 29, 29, 29, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:32:31,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 05:32:31,601 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:32:31,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:32:31,602 INFO L85 PathProgramCache]: Analyzing trace with hash -2004230360, now seen corresponding path program 1 times [2025-03-04 05:32:31,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:32:31,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145139844] [2025-03-04 05:32:31,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:32:31,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:32:34,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 529 statements into 1 equivalence classes. [2025-03-04 05:32:34,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 529 of 529 statements. [2025-03-04 05:32:34,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:32:34,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:32:34,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4122 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4107 trivial. 0 not checked. [2025-03-04 05:32:34,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:32:34,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145139844] [2025-03-04 05:32:34,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145139844] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:32:34,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:32:34,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:32:34,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308214820] [2025-03-04 05:32:34,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:32:34,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:32:34,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:32:34,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:32:34,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:32:34,994 INFO L87 Difference]: Start difference. First operand 13869 states and 18655 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2025-03-04 05:32:39,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:32:40,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:32:40,203 INFO L93 Difference]: Finished difference Result 38261 states and 51495 transitions. [2025-03-04 05:32:40,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:32:40,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 529 [2025-03-04 05:32:40,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:32:40,301 INFO L225 Difference]: With dead ends: 38261 [2025-03-04 05:32:40,301 INFO L226 Difference]: Without dead ends: 25796 [2025-03-04 05:32:40,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:32:40,345 INFO L435 NwaCegarLoop]: 4376 mSDtfsCounter, 2107 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 6629 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-03-04 05:32:40,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2107 Valid, 6629 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2025-03-04 05:32:40,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25796 states. [2025-03-04 05:32:41,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25796 to 25794. [2025-03-04 05:32:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25794 states, 17588 states have (on average 1.2509097111667045) internal successors, (22001), 17959 states have internal predecessors, (22001), 6354 states have call successors, (6354), 1851 states have call predecessors, (6354), 1851 states have return successors, (6354), 6255 states have call predecessors, (6354), 6354 states have call successors, (6354) [2025-03-04 05:32:41,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25794 states to 25794 states and 34709 transitions. [2025-03-04 05:32:41,171 INFO L78 Accepts]: Start accepts. Automaton has 25794 states and 34709 transitions. Word has length 529 [2025-03-04 05:32:41,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:32:41,172 INFO L471 AbstractCegarLoop]: Abstraction has 25794 states and 34709 transitions. [2025-03-04 05:32:41,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2025-03-04 05:32:41,173 INFO L276 IsEmpty]: Start isEmpty. Operand 25794 states and 34709 transitions. [2025-03-04 05:32:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2025-03-04 05:32:41,210 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:32:41,210 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 29, 29, 29, 29, 29, 29, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:32:41,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 05:32:41,211 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:32:41,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:32:41,211 INFO L85 PathProgramCache]: Analyzing trace with hash 228808064, now seen corresponding path program 1 times [2025-03-04 05:32:41,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:32:41,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724974556] [2025-03-04 05:32:41,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:32:41,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:32:44,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 524 statements into 1 equivalence classes. [2025-03-04 05:32:44,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 524 of 524 statements. [2025-03-04 05:32:44,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:32:44,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:32:44,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4098 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4083 trivial. 0 not checked. [2025-03-04 05:32:44,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:32:44,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724974556] [2025-03-04 05:32:44,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724974556] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:32:44,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:32:44,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:32:44,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229987866] [2025-03-04 05:32:44,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:32:44,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:32:44,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:32:44,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:32:44,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:32:44,624 INFO L87 Difference]: Start difference. First operand 25794 states and 34709 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2025-03-04 05:32:48,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:32:50,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:32:50,078 INFO L93 Difference]: Finished difference Result 62103 states and 83595 transitions. [2025-03-04 05:32:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:32:50,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 524 [2025-03-04 05:32:50,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:32:50,236 INFO L225 Difference]: With dead ends: 62103 [2025-03-04 05:32:50,237 INFO L226 Difference]: Without dead ends: 37769 [2025-03-04 05:32:50,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:32:50,311 INFO L435 NwaCegarLoop]: 4376 mSDtfsCounter, 2112 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2112 SdHoareTripleChecker+Valid, 6624 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-03-04 05:32:50,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2112 Valid, 6624 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2025-03-04 05:32:50,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37769 states. [2025-03-04 05:32:51,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37769 to 37767. [2025-03-04 05:32:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37767 states, 25762 states have (on average 1.2511062805682789) internal successors, (32231), 26301 states have internal predecessors, (32231), 9294 states have call successors, (9294), 2710 states have call predecessors, (9294), 2710 states have return successors, (9294), 9155 states have call predecessors, (9294), 9294 states have call successors, (9294) [2025-03-04 05:32:51,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37767 states to 37767 states and 50819 transitions. [2025-03-04 05:32:51,483 INFO L78 Accepts]: Start accepts. Automaton has 37767 states and 50819 transitions. Word has length 524 [2025-03-04 05:32:51,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:32:51,484 INFO L471 AbstractCegarLoop]: Abstraction has 37767 states and 50819 transitions. [2025-03-04 05:32:51,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2025-03-04 05:32:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 37767 states and 50819 transitions. [2025-03-04 05:32:51,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2025-03-04 05:32:51,516 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:32:51,516 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 30, 30, 30, 30, 30, 30, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:32:51,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 05:32:51,516 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:32:51,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:32:51,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1387273733, now seen corresponding path program 1 times [2025-03-04 05:32:51,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:32:51,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441043223] [2025-03-04 05:32:51,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:32:51,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:32:54,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 536 statements into 1 equivalence classes. [2025-03-04 05:32:54,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 536 of 536 statements. [2025-03-04 05:32:54,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:32:54,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:32:55,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4289 trivial. 0 not checked. [2025-03-04 05:32:55,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:32:55,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441043223] [2025-03-04 05:32:55,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441043223] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:32:55,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:32:55,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:32:55,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882635890] [2025-03-04 05:32:55,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:32:55,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:32:55,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:32:55,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:32:55,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:32:55,203 INFO L87 Difference]: Start difference. First operand 37767 states and 50819 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2025-03-04 05:32:59,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:33:01,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:33:01,787 INFO L93 Difference]: Finished difference Result 91641 states and 123345 transitions. [2025-03-04 05:33:01,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:33:01,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 536 [2025-03-04 05:33:01,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:33:02,053 INFO L225 Difference]: With dead ends: 91641 [2025-03-04 05:33:02,053 INFO L226 Difference]: Without dead ends: 53524 [2025-03-04 05:33:02,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:33:02,173 INFO L435 NwaCegarLoop]: 2329 mSDtfsCounter, 1130 mSDsluCounter, 2231 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1130 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-03-04 05:33:02,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1130 Valid, 4560 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2025-03-04 05:33:02,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53524 states.